git: openjdk/jol: Update JMH to 1.25.2

[duke]

Changeset: a549b741
Author:    Aleksey Shipilev <shade at redhat.com>
Committer: GitHub <noreply at github.com>
Date:      2020-09-29 10:32:53 +0000
URL:       https://git.openjdk.java.net/jol/commit/a549b741

Update JMH to 1.25.2


! jol-benchmarks/pom.xml